Dimension Tolerance: +/-0.1mm
Surface Quality: 40/20-20/10
Surface Flatness: 1/4-1/10 Lambda
Clear Aperture: >95%
Coating: AR, BBAR, VIS, NIR, HR, VIS, NIRSpecialty Prisms factory
website:http://www.visopto.net/optical....-prisms/specialty-pr